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(i) Write the possible values of 'm' for...

(i) Write the possible values of 'm' for a 4f-electron.
(ii) Mention one demerit of Rutherford's atomic model.

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(i) For a 4f-electron, n=4, l=3. thus, the possible value of m will be: +3, +2, +1, 0,-1,-2,-3
(ii) N/A
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